For the last week my legs have felt like they are bruised all over. However i do not have any signs of bruising. Today the pain has moved to my behind. So from my knees to my rear i feel pain. It hurts to sit and if my small dog jumps up and puts her paws on my legs is actually hurts. I have spider veins or veracos veins(sorry about spelling) on my legs also. What could this be